Temperature control electric hot plate with automatic alarm function

Abstract

The utility model provides a temperature control electric hot plate with automatic alarm, which comprises a base and a heating plate, the heating plate is detachably mounted at the top of the base, a temperature controller for controlling the temperature of the heating plate is arranged on the base, and a thermosensitive alarm for monitoring the temperature of the heating plate is further arranged on the base. The thermosensitive alarm comprises a thermistor, a power supply, a voltage stabilizer, an adjustable resistor and a buzzer, one end of the thermistor is electrically connected with the positive electrode of the power supply, one end of the adjustable resistor is electrically connected with one end of the thermistor, one end of the adjustable resistor is electrically connected with the negative electrode of the power supply, and the voltage stabilizer is connected with the adjustable resistor in parallel; one end of the voltage stabilizer is electrically connected with the positive electrode of the buzzer, the negative electrode of the buzzer is electrically connected with one end of the adjustable resistor, the thermistor induces the surface temperature of the heating plate, when the temperature reaches the set temperature, current is transmitted to the buzzer through the adjustable resistor, and the buzzer is powered on to ring to give an alarm to remind an experimenter. The influence on the heating effect due to overlong heating time is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of temperature control electric hot plate, especially a temperature control electric hot plate with automatic alarm. BACKGROUND

[0002] Electric hot plate refers to the industrial and domestic heating device that uses electric heating effect to heat, and industrial electric hot plate is divided into resistance and induction, and with the development of modern industrial technology, induction furnace becomes the most energy-saving electric conversion heating mode in electric hot plate, and is widely applied in many fields such as family, medicine, chemical industry, metallurgy and the like, and the electric hot plate has the characteristics of rapid heating, easy temperature control, high thermal efficiency and the like.

[0003] Temperature control electric hot plate refers to the temperature of the electric hot plate controlled by a temperature controller, and the temperature can be automatically maintained at the set temperature, and the temperature controller refers to a series of automatic control elements that can produce some special effects, produce on or off actions and the like according to the temperature change of the working environment, and is also called temperature control switch, temperature protector, temperature controller, and is also called temperature controller, or the temperature is transmitted to the temperature controller through the temperature protector, and the temperature controller sends a switch command to control the operation of the equipment to achieve the ideal temperature and energy-saving effect.

[0004] The existing publication number CN220234986U discloses an electric hot plate, which comprises an electric hot plate body, a limiting frame is vertically upward arranged at the periphery of the upper surface of the electric hot plate body, a plurality of first blocking strips are uniformly inserted between the inner walls of the left and right sides in the limiting frame and arranged transversely, a plurality of second blocking strips are uniformly inserted between the inner walls of the front and rear sides in the limiting frame and arranged longitudinally, the first blocking strips and the second blocking strips are arranged alternately, and leveling feet are arranged at the four corners of the bottom of the electric hot plate body.

[0005] However, the above-mentioned electric hot plate has single function in use, can only realize heating function, cannot detect temperature change in real time and remind experimenters, and heating time is often too long, which affects heating effect.

[0006] Therefore, it is necessary to provide a new temperature control electric hot plate with automatic alarm to solve the above technical problems. UTILITY MODEL CONTENT

[0007] In order to solve the technical problems that the existing electric hot plate has single function in use, can only realize heating function, cannot detect temperature change in real time and remind experimenters, and heating time is often too long, which affects heating effect, the utility model provides a temperature control electric hot plate with automatic alarm.

[0008] The temperature control electric heating plate with automatic alarm provided by the utility model comprises a base and a heating plate, the heating plate is detachably installed on the top of the base, a temperature controller for controlling the temperature of the heating plate is arranged on the base, and a heat-sensitive alarm for monitoring the temperature of the heating plate is also arranged on the base.

[0009] Further, the heat-sensitive alarm comprises a thermistor, a power supply, a voltage stabilizer, an adjustable resistor and a buzzer, one end of the thermistor is electrically connected with the positive pole of the power supply, one end of the adjustable resistor is electrically connected with one end of the thermistor, one end of the adjustable resistor is electrically connected with the negative pole of the power supply, the voltage stabilizer is connected with the adjustable resistor in parallel, one end of the voltage stabilizer is electrically connected with the positive pole of the buzzer, and the negative pole of the buzzer is electrically connected with one end of the adjustable resistor.

[0010] Further, a plurality of holes are arranged on the surface of the heating plate.

[0011] Further, leveling legs are arranged at the four corners of the bottom of the base, and adjusting assemblies for adjusting the height of the leveling legs are further arranged at the four corners of the bottom of the base.

[0012] Further, a plurality of reinforcing ribs are arranged at the connection between the base and the heating plate, and the reinforcing ribs are arranged in a cross shape.

[0013] Further, grooves for the up-and-down sliding of the leveling legs are arranged at the four corners of the bottom of the base.

[0014] Further, the adjusting assembly comprises a mounting plate, an adjusting rod and a connecting plate, the mounting plate is fixedly installed at the corner of the base, the adjusting rod is rotatably installed on the mounting plate, the adjusting rod is threadedly connected with the connecting plate, and the connecting plate is fixedly installed on one side of the leveling support.

[0015] Further, a rotating disc is further arranged at the top of the adjusting rod.

[0016] Compared with the related art, the temperature control electric heating plate with automatic alarm has the following advantages

[0017] Beneficial effects:

[0018] In the specific implementation, the thermistor senses the surface temperature of the heating plate, when the temperature reaches the set temperature, the adjustable resistor transmits the current to the buzzer, the buzzer rings to alarm and remind the experimenter, and the heating time is prevented from being too long to affect the heating effect. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1The whole structure schematic diagram of the temperature control electric heating plate with automatic alarm provided by the utility model is shown in the figure.

[0020] Figure 2 The split structure schematic diagram of the temperature control electric heating plate with automatic alarm provided by the utility model is shown in the figure. Figure One ;

[0021] Figure 3 The split structure schematic diagram of the temperature control electric heating plate with automatic alarm provided by the utility model is shown in the figure. Figure Two ;

[0022] Figure 4 The circuit structure schematic diagram of the heat-sensitive alarm provided by the utility model is shown in the figure.

[0023] The figure mark: 1, base; 2, heating plate; 3, temperature controller; 4, thermistor; 5, power supply; 6, adjustable resistor; 7, buzzer; 8, hole; 9, leveling foot; 10, reinforcing rib; 11, sliding groove; 12, mounting plate; 13, adjusting rod; 14, connecting plate; 15, rotating disc. Specific implementation

[0024] The utility model will be further explained in connection with the drawings and implementation.

[0025] Please combine with the reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , among them, Figure 1 The whole structure schematic diagram of the temperature control electric heating plate with automatic alarm provided by the utility model is shown in the figure. Figure 2 The split structure schematic diagram of the temperature control electric heating plate with automatic alarm provided by the utility model is shown in the figure. Figure One ; Figure 3 The split structure schematic diagram of the temperature control electric heating plate with automatic alarm provided by the utility model is shown in the figure. Figure Two ; Figure 4 The circuit structure schematic diagram of the heat-sensitive alarm provided by the utility model is shown in the figure.

[0026] In the description of the utility model, unless otherwise clear and definite, the terms "connected", "connected", "fixed" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrated; can be mechanical connection, also can be electrical connection; can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances, and it needs to be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0027] In the specific implementation process, as shown in Figures 1-3 The temperature control electric heating plate with automatic alarm includes base 1 and heating plate 2, the heating plate 2 is detachably installed on the top of the base 1, a plurality of holes 8 are formed on the surface of the heating plate 2, the base 1 is provided with a temperature controller 3 for controlling the temperature of the heating plate 2, the temperature controller 3 can be selected as E5EN-HAA2HB, and the base 1 is further provided with a heat-sensitive alarm for monitoring the temperature of the heating plate 2.

[0028] It should be noted that a plurality of reinforcing ribs 10 are further arranged at the connecting portion of the base 1 and the heating plate 2, and the reinforcing ribs 10 are arranged in a cross shape, so that the reinforcing ribs 10 further improve the supporting effect of the heating plate 2.

[0029] In one specific implementation process, referring to Figure 4 The heat-sensitive alarm includes a thermistor 4, a power supply 5, a voltage stabilizer, an adjustable resistor 6 and a buzzer 7, one end of the thermistor 4 is electrically connected with the positive electrode of the power supply 5, one end of the adjustable resistor 6 is electrically connected with one end of the thermistor 4, one end of the adjustable resistor 6 is electrically connected with the negative electrode of the power supply 5, the voltage stabilizer is connected with the adjustable resistor 6 in parallel, one end of the voltage stabilizer is electrically connected with the positive electrode of the buzzer 7, the negative electrode of the buzzer 7 is electrically connected with one end of the adjustable resistor 6, the thermistor 4 is a sensor resistor, the resistance value of which changes with the change of temperature, the thermistor 4 senses the surface temperature of the heating plate 2, when the temperature reaches the set temperature, the adjustable resistor 6 transmits current to the buzzer 7, and the buzzer 7 rings to alarm, wherein the adjustable resistor 6 is a kind of resistor, and the resistance value of the adjustable resistor can be adjusted to any value within 0 and the nominal value, and the voltage stabilizer can be selected as I7812 three-terminal voltage stabilizing integrated circuit.

[0030] The bottom of the base 1 is provided with leveling legs 9 at four corners, and the bottom of the base 1 is further provided with adjusting assemblies for adjusting the height of the leveling legs 9 at the four corners, respectively, and the bottom of the base 1 is provided with sliding grooves 11 for the up-and-down sliding of the leveling legs 9;

[0031] In a specific implementation process, the adjusting assembly comprises a mounting plate 12, an adjusting rod 13 and a connecting plate 14, the mounting plate 12 is fixedly installed at a corner of the base 1, the adjusting rod 13 is rotatably installed on the mounting plate 12, the adjusting rod 13 is threadedly connected with the connecting plate 14, the connecting plate 14 is fixedly installed on one side of the leveling leg, and the top of the adjusting rod 13 is further provided with a rotating disc 15, the rotating disc 15 is rotated to drive the adjusting rod 13 to rotate, the adjusting rod 13 drives the connecting plate 14 and the leveling leg 9 to slide up and down in the sliding groove 11, and the stability of the heating plate 2 can be ensured by adjusting the four leveling legs 9 at the bottom of the base 1.

[0032] The working principle of the utility model is as follows: when the device is used, the thermistor 4 senses the surface temperature of the heating plate 2, when the temperature reaches the set temperature, the adjustable resistor 6 transmits current to the buzzer 7, the buzzer 7 is electrified and rings to alarm, the rotating disc 15 is rotated to drive the adjusting rod 13 to rotate, the adjusting rod 13 drives the connecting plate 14 and the leveling leg 9 to slide up and down in the sliding groove 11, and the stability of the heating plate 2 can be ensured by adjusting the four leveling legs 9 at the bottom of the base 1.

[0033] The circuit and the control involved in the utility model are prior art, and too much repetition is not performed herein.

[0034] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, and any figure mark in the claims should not be regarded as limiting the involved claims.

[0035] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the specification is described in this way only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. Temperature-controlled electric hot plate with automatic alarm, characterized in that, The utility model provides a heating plate, including base (1) and heating plate (2), heating plate (2) can be detached and installed on the top of base (1), be equipped with temperature controller (3) for temperature control to heating plate (2) on base (1), still be equipped with heat-sensitive alarm for temperature monitoring to heating plate (2) on base (1).

2. The temperature-controlled hot plate with automatic alarm according to claim 1, characterized in that The heat-sensitive alarm includes a thermistor (4), a power supply (5), a voltage stabilizer, an adjustable resistor (6), and a buzzer (7). One end of the thermistor (4) is electrically connected to the positive pole of the power supply (5). One end of the adjustable resistor (6) is electrically connected to one end of the thermistor (4). One end of the adjustable resistor (6) is electrically connected to the negative pole of the power supply (5). The voltage stabilizer is connected in parallel with the adjustable resistor (6). One end of the voltage stabilizer is electrically connected to the positive pole of the buzzer (7). The negative pole of the buzzer (7) is electrically connected to one end of the adjustable resistor (6).

3. The temperature-controlled hot plate with automatic alarm according to claim 2, characterized in that The heating plate (2) has a plurality of holes (8) on its surface.

4. The temperature-controlled hot plate with automatic alarm according to claim 3, characterized in that, The bottom of the base (1) is provided with leveling legs (9) at its four corners. The bottom of the base (1) is also provided with adjusting assemblies for adjusting the height of the leveling legs (9) at its four corners.

5. The temperature-controlled hot plate with automatic alarm according to claim 4, characterized in that, The connection between the base (1) and the heating plate (2) is also provided with a plurality of reinforcing ribs (10), and the reinforcing ribs (10) are cross-shaped.

6. The temperature-controlled hot plate with automatic alarm according to claim 5, characterized in that The bottom of the base (1) is provided with sliding grooves (11) for the up-and-down sliding of the leveling legs (9).

7. The temperature-controlled hot plate with automatic alarm according to claim 6, characterized in that The adjusting assembly includes a mounting plate (12), an adjusting rod (13), and a connecting plate (14). The mounting plate (12) is fixedly installed on the corners of the base (1). The adjusting rod (13) is rotatably installed on the mounting plate (12). The adjusting rod (13) is threadedly connected with the connecting plate (14). The connecting plate (14) is fixedly installed on one side of the leveling leg (9).

8. The temperature-controlled hot plate with automatic alarm according to claim 7, characterized in that The top of the adjusting rod (13) is also provided with a turntable (15).

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